PROFESSIONAL step drill bit HSS 6-30mm PRO.76003

Ø of single steps - 6-8-10-12-14-16-18-20- 22-24-26-28-30

L - 100mm

Ø shank - 10mm

• For drilling larger holes in thin-walled material and for reaming existing holes
  
• Sharp drill bit tip: Instant drilling without pre-drilling, burr and chatter mark free work
• Step drill bit with two cutting edges
• Precision ground due to CBN grinding process
• Transition from one step to the next step 45°
• The next larger step can be used for slight countersinking or deburring
• Double sided drilling enables up to 7 mm drilling depth
• To be used in hand drills and box column drills
• Always use suitable lubricant
• For sheet steel, non-ferrous metals 0.1 - 5.0 mm, plastic up to 7.0 mm and plexiglass

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